:root{--bg: #04060c;--ink: #d7ecf6;--ink-dim: rgba(165, 210, 232, .62);--accent: #8fdfff;--accent2: #ffc46b;--font: "Inter", "SF Pro Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}#app,#app canvas{position:fixed;top:0;right:0;bottom:0;left:0;display:block}#vignette{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,rgba(2,4,9,.55) 100%);z-index:2}#landing{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;text-align:center;padding:0 24px;transition:opacity .9s ease,visibility .9s;background:radial-gradient(ellipse 62% 52% at center,rgba(4,6,12,.82),rgba(4,6,12,.42) 55%,transparent 80%)}#landing.gone{opacity:0;visibility:hidden;pointer-events:none}.landing-title{font-size:clamp(52px,9vw,108px);font-weight:200;letter-spacing:.42em;margin-left:.42em;text-transform:uppercase;color:#fff;text-shadow:0 0 34px rgba(143,223,255,.45),0 2px 10px rgba(2,4,9,.95),0 0 3px rgba(2,4,9,.9)}.tagline{max-width:520px;font-size:15px;line-height:1.6;font-weight:300;color:var(--ink);letter-spacing:.04em;text-shadow:0 1px 8px rgba(2,4,9,.95),0 0 18px rgba(2,4,9,.8)}.btn{font-family:var(--font);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink);background:transparent;border:1px solid rgba(143,223,255,.35);border-radius:999px;padding:13px 34px;cursor:pointer;text-decoration:none;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease,opacity .25s ease}.btn:hover{border-color:#8fdfffe6;box-shadow:0 0 22px #8fdfff38;background:#8fdfff0f}.btn:disabled{opacity:.25;cursor:default;box-shadow:none;background:transparent}.btn-primary{border-color:#8fdfffb3;background:#8fdfff14}.btn-nav{padding:11px 22px}#brand{position:fixed;top:26px;left:32px;z-index:10;font-size:14px;font-weight:300;letter-spacing:.4em;text-transform:uppercase;color:var(--ink-dim);transition:opacity .8s ease}#hint{position:fixed;top:28px;right:32px;z-index:10;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:#a5d2e86b;transition:opacity 1.2s ease}.hidden{opacity:0!important;pointer-events:none!important}.side-arrow{position:fixed;top:50%;transform:translateY(-50%);z-index:10;width:54px;height:54px;padding:0;display:flex;align-items:center;justify-content:center;font-family:var(--font);font-size:28px;line-height:1;color:var(--ink);background:#04060c80;border:1px solid rgba(143,223,255,.32);border-radius:50%;cursor:pointer;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease,opacity .4s ease}.side-arrow:hover{border-color:#8fdfffe6;box-shadow:0 0 22px #8fdfff38;background:#8fdfff14}.side-arrow:disabled{opacity:.18;cursor:default;box-shadow:none;background:#04060c80}#arrowL{left:26px}#arrowR{right:26px}@media (max-width: 640px){.side-arrow{width:44px;height:44px;font-size:22px}#arrowL{left:12px}#arrowR{right:12px}}#hud{position:fixed;left:0;right:0;bottom:0;z-index:10;display:flex;flex-direction:column;align-items:center;gap:22px;padding:0 24px 34px;pointer-events:none;transition:opacity .8s ease}#caption{max-width:580px;min-height:44px;text-align:center;font-size:14.5px;font-weight:300;line-height:1.65;letter-spacing:.03em;color:var(--ink);opacity:0;transform:translateY(8px);transition:opacity .8s ease,transform .8s ease}#caption.show{opacity:1;transform:translateY(0)}#nav{display:flex;align-items:center;gap:22px;pointer-events:auto}#dots{display:flex;gap:10px}#dots .dot{width:6px;height:6px;border-radius:50%;background:#8fdfff38;transition:background .4s ease,box-shadow .4s ease,transform .4s ease}#dots .dot.active{background:var(--accent);box-shadow:0 0 10px #8fdfffcc;transform:scale(1.25)}#labels{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none;overflow:hidden}.scene-label{position:absolute;left:0;top:0;transform:translate(-50%,-100%);font-size:10.5px;letter-spacing:.26em;text-transform:uppercase;white-space:nowrap;color:#a5d2e8b3;text-shadow:0 0 12px rgba(4,6,12,.9);opacity:0;transition:opacity .7s ease}.scene-label:after{content:"";display:block;width:1px;height:14px;margin:6px auto 0;background:linear-gradient(to bottom,rgba(165,210,232,.55),transparent)}.scene-label.show{opacity:1}@media (max-width: 640px){#brand{left:20px}#hint{display:none}#caption{font-size:13px}.btn-nav{padding:10px 16px}#nav{gap:14px}}